Waterstone Financial, Inc. SEC filings WSBF
Waterstone Financial, Inc. has 539 filings in SEC EDGAR's recent list, going back to Jun 7, 2013. Its latest annual report, Form ARS, was filed on Apr 9, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 16, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Oct 16, 2026 | Oct 16, 2026 |
| 8-K |
Current report
Other events
|
Sep 22, 2026 | Sep 22, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 13, 2026 |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2026 | Jul 23, 2026 |
| 8-K |
Current report
Other events
|
Jun 23, 2026 | Jun 23, 2026 |
| 11-K | Employee savings plan report | Jun 3, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2026 | May 19, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Other events
|
Apr 27, 2026 | Apr 27, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 23, 2026 | Apr 23, 2026 |
| ARS | Annual report to shareholders | Apr 9, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 9, 2026 | May 19, 2026 |
| 8-K |
Current report
Other events
|
Mar 17, 2026 | Mar 17, 2026 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 2, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jan 28, 2026 | Jan 28, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 8-K |
Current report
Other events
|
Dec 18, 2025 | Dec 18, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2025 | Oct 23, 2025 |
| 144 | Notice of proposed sale | Oct 23, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Oct 21, 2025 | Oct 21, 2025 |
| 3 | Initial insider ownership | Oct 2, 2025 | Jul 22, 2025 |
| 3 | Initial insider ownership | Oct 2, 2025 | Jul 22, 2025 |
| 8-K |
Current report
Other events
|
Sep 23, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Aug 14, 2025 | Aug 12, 2025 |
| 4 | Insider transaction | Aug 12, 2025 | Aug 11, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jul 28, 2025 | Jul 24, 2025 |
| 144 | Notice of proposed sale | Jul 22, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jul 22, 2025 | Jul 22, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 9, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Other events
|
Jun 17, 2025 | Jun 17, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 11-K | Employee savings plan report | Jun 6, 2025 | Dec 31, 2024 |
| 144 | Notice of proposed sale | May 29, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2025 | May 20, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 17, 2025 | Apr 17, 2025 |
| ARS | Annual report to shareholders | Apr 10, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 20, 2025 |
| 8-K |
Current report
Other events
|
Mar 20, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 28, 2025 |
| 10-K | Annual report | Feb 28, 2025 | Dec 31, 2024 |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 11, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 31, 2025 | — |
| 8-K |
Current report
Results of operations
|
Jan 28, 2025 | Jan 28, 2025 |
| 8-K |
Current report
Other events
|
Dec 19, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Nov 29, 2024 | Nov 27, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 25, 2024 | Nov 22, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| 4 | Insider transaction | Nov 14, 2024 | Nov 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 4 | Insider transaction | Nov 12, 2024 | Nov 11, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 8, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 4 | Insider transaction | Nov 7, 2024 | Nov 6, 2024 |
| 144 | Notice of proposed sale | Nov 6, 2024 | — |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 8-K |
Current report
Results of operations
|
Oct 22, 2024 | Oct 22, 2024 |
| 8-K |
Current report
Other events
|
Sep 24, 2024 | Sep 24, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Sep 6, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Sep 4, 2024 | Aug 30, 2024 |
| 144 | Notice of proposed sale | Aug 30, 2024 | — |
| 4 | Insider transaction | Aug 30, 2024 | Aug 29, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 28, 2024 |
| 144 | Notice of proposed sale | Aug 28, 2024 | — |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2024 | Jul 25, 2024 |
| 11-K | Employee savings plan report | Jun 18, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Other events
|
Jun 18, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2024 | May 21, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 30, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 25, 2024 | Apr 24, 2024 |
| 4 | Insider transaction | Apr 25, 2024 | Apr 23, 2024 |
| 4 | Insider transaction | Apr 25, 2024 | Apr 23, 2024 |
| 8-K |
Current report
Other events
|
Apr 23, 2024 | Apr 23, 2024 |
| ARS | Annual report to shareholders | Apr 11, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 11, 2024 | May 21, 2024 |
| 8-K |
Current report
Other events
|
Mar 22, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Jan 26, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 3 | Initial insider ownership | Mar 8, 2024 | Apr 11, 2019 |
| 10-K | Annual report | Mar 6, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 8-K |
Current report
Results of operations
|
Jan 30, 2024 | Jan 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 21, 2023 | Dec 21, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 4 | Insider transaction | Oct 30, 2023 | Oct 26, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2023 | Oct 24, 2023 |
| 8-K |
Current report
Other events
|
Sep 26, 2023 | Sep 26, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Officer or director change
|
Jul 25, 2023 | Jul 25, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2023 | Jul 25, 2023 |
| 8-K |
Current report
Other events
|
Jun 29, 2023 | Jun 29, 2023 |
| 11-K | Employee savings plan report | Jun 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Other events
|
May 24, 2023 | May 24, 2023 |
| 8-K |
Current report
Shareholder vote results
|
May 18, 2023 | May 16, 2023 |
| 10-Q | Quarterly report | May 2, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2023 | Apr 25, 2023 |
| ARS | Annual report to shareholders | Apr 13, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 11, 2023 | — |
| 3 | Initial insider ownership | Apr 7, 2023 | Apr 6, 2023 |
| DEF 14A | Proxy statement | Apr 6, 2023 | — |
| 8-K |
Current report
Other events
|
Mar 22, 2023 | Mar 22, 2023 |
| 8-K/A |
Amended current report
Auditor change
|
Mar 3, 2023 | Jan 17, 2023 |
| 10-K | Annual report | Feb 28, 2023 | Dec 31, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2023 | — |
| 8-K |
Current report
Results of operations
|
Jan 26, 2023 | Jan 26, 2023 |
| 8-K |
Current report
Auditor change
|
Jan 17, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Other events
|
Dec 15, 2022 | Dec 15, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2022 | Oct 26, 2022 |
| 8-K |
Current report
Other events
|
Sep 27, 2022 | Sep 27, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2022 | Jul 21, 2022 |
| 8-K |
Current report
Other events
|
Jun 23, 2022 | Jun 23, 2022 |
| 11-K | Employee savings plan report | Jun 9, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2022 | May 17, 2022 |
| 10-Q | Quarterly report | May 6, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 21, 2022 | Apr 21, 2022 |
| DEF 14A | Proxy statement | Apr 7, 2022 | Apr 7, 2022 |
| 4 | Insider transaction | Mar 15, 2022 | Mar 14, 2022 |
| 8-K |
Current report
Other events
|
Mar 15, 2022 | Mar 15, 2022 |
| 10-K | Annual report | Feb 28, 2022 | Dec 31, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| 8-K |
Current report
Results of operations
|
Jan 27, 2022 | Jan 27, 2022 |
| 8-K |
Current report
Officer or director change
|
Jan 25, 2022 | Jan 24, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 28, 2021 |
| 8-K |
Current report
Other events
|
Dec 15, 2021 | Dec 15, 2021 |
| 8-K |
Current report
Other events
|
Dec 10, 2021 | Dec 10, 2021 |
| 4 | Insider transaction | Nov 24, 2021 | Nov 23, 2021 |
| 4 | Insider transaction | Nov 23, 2021 | Nov 22, 2021 |
| 4 | Insider transaction | Nov 23, 2021 | Nov 19, 2021 |
| 10-Q | Quarterly report | Nov 9, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 19, 2021 | Oct 19, 2021 |
| 8-K |
Current report
Other events
|
Sep 21, 2021 | Sep 21, 2021 |
| 10-Q | Quarterly report | Aug 3, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 20, 2021 | Jul 20, 2021 |
| 8-K |
Current report
Other events
|
Jun 15, 2021 | Jun 15, 2021 |
| 4 | Insider transaction | Jun 7, 2021 | Jun 3, 2021 |
| 11-K | Employee savings plan report | Jun 3, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Auditor change
|
Jun 2, 2021 | May 27, 2021 |
| 8-K |
Current report
Other events
|
Jun 1, 2021 | Jun 1, 2021 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2021 | May 18, 2021 |
| 4 | Insider transaction | May 19, 2021 | May 17, 2021 |
| 10-Q | Quarterly report | May 5, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 26, 2021 | Apr 26, 2021 |
| DEF 14A | Proxy statement | Apr 8, 2021 | Apr 8, 2021 |
| 8-K |
Current report
Other events
|
Mar 16, 2021 | Mar 16, 2021 |
| 4 | Insider transaction | Mar 10, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 9, 2021 | Mar 8, 2021 |
| 4 | Insider transaction | Mar 9, 2021 | Mar 8, 2021 |
| 4 | Insider transaction | Mar 9, 2021 | Mar 8, 2021 |
| 4 | Insider transaction | Mar 5, 2021 | Mar 3, 2021 |
| 4 | Insider transaction | Mar 5, 2021 | Mar 3, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Mar 1, 2021 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Savings Institution, Federally Chartered (SIC 6035)
- Listed as
- WSBF (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- MD
- Headquarters
- Wauwatosa, WI
- SEC filer status
- Accelerated filer
- SEC CIK
- 1569994
Other Savings Institution, Federally Chartered companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.